/// <summary> /// Carga la escena a partir de un objeto TgcSceneData ya parseado /// </summary> /// <param name="sceneData">Objeto con datos de la escena ya parseados</param> /// <param name="mediaPath">Path a partir del cual hay que buscar los recursos de escena (Texturas, LightMaps, etc.)</param> /// <returns></returns> public TgcScene loadScene(TgcSceneData sceneData, string mediaPath) { TgcScene tgcScene = new TgcScene(sceneData.name, null); //Cargar Texturas TgcSceneLoaderMaterialAux[] materialsArray = new TgcSceneLoaderMaterialAux[sceneData.materialsData.Length]; for (int i = 0; i < sceneData.materialsData.Length; i++) { TgcMaterialData materialData = sceneData.materialsData[i]; string texturesPath = mediaPath + sceneData.texturesDir + "\\"; //Crear StandardMaterial if (materialData.type.Equals(TgcMaterialData.StandardMaterial)) { materialsArray[i] = createTextureAndMaterial(materialData, texturesPath); } //Crear MultiMaterial else if (materialData.type.Equals(TgcMaterialData.MultiMaterial)) { TgcSceneLoaderMaterialAux matAux = new TgcSceneLoaderMaterialAux(); materialsArray[i] = matAux; matAux.subMaterials = new TgcSceneLoaderMaterialAux[materialData.subMaterials.Length]; for (int j = 0; j < materialData.subMaterials.Length; j++) { matAux.subMaterials[j] = createTextureAndMaterial(materialData.subMaterials[j], texturesPath); } } } //Cargar Meshes for (int i = 0; i < sceneData.meshesData.Length; i++) { TgcMeshData meshData = sceneData.meshesData[i]; TgcMesh tgcMesh = null; //Crear malla original if (meshData.instanceType.Equals(TgcMeshData.ORIGINAL)) { //Crear mesh que no tiene Material, con un color simple if (meshData.materialId == -1) { tgcMesh = crearMeshSoloColor(meshData); } //Para los que si tienen Material else { //Crear MeshFormat que soporte LightMaps if (meshData.lightmapEnabled) { tgcMesh = crearMeshDiffuseMapLightmap(sceneData, mediaPath, materialsArray, meshData); } //Formato de Mesh con Textura pero sin Lightmap else { tgcMesh = crearMeshDiffuseMap(materialsArray, meshData); } } } //Crear malla instancia else if (meshData.instanceType.Equals(TgcMeshData.INSTANCE)) { tgcMesh = crearMeshInstance(meshData, tgcScene.Meshes); } //Crear BoundingBox, aprovechar lo que viene del XML o crear uno por nuestra cuenta if (meshData.pMin != null && meshData.pMax != null) { tgcMesh.BoundingBox = new TgcBoundingBox( TgcParserUtils.float3ArrayToVector3(meshData.pMin), TgcParserUtils.float3ArrayToVector3(meshData.pMax) ); } else { tgcMesh.createBoundingBox(); } //Cargar layer tgcMesh.Layer = meshData.layerName; //Cargar AlphaBlending tgcMesh.AlphaBlendEnable = meshData.alphaBlending; //agregar mesh a escena tgcMesh.Enabled = true; tgcScene.Meshes.Add(tgcMesh); //Cargar userProperties, si hay tgcMesh.UserProperties = meshData.userProperties; } //BoundingBox del escenario, utilizar el que viene del XML o crearlo nosotros if (sceneData.pMin != null && sceneData.pMax != null) { tgcScene.BoundingBox = new TgcBoundingBox( new Vector3(sceneData.pMin[0], sceneData.pMin[1], sceneData.pMin[2]), new Vector3(sceneData.pMax[0], sceneData.pMax[1], sceneData.pMax[2]) ); } else { List<TgcBoundingBox> boundingBoxes = new List<TgcBoundingBox>(); foreach (TgcMesh mesh in tgcScene.Meshes) { boundingBoxes.Add(mesh.BoundingBox); } tgcScene.BoundingBox = TgcBoundingBox.computeFromBoundingBoxes(boundingBoxes); } //Cargar parte de PortalRendering, solo hay información if (sceneData.portalData != null) { TgcPortalRenderingLoader portalLoader = new TgcPortalRenderingLoader(); tgcScene.PortalRendering = portalLoader.loadFromData(tgcScene, sceneData.portalData); } return tgcScene; }
/// <summary> /// Crea un mesh con uno o varios DiffuseMap y un Lightmap /// </summary> /// <returns></returns> private TgcMesh crearMeshDiffuseMapLightmap(TgcSceneData sceneData, string mediaPath, TgcSceneLoaderMaterialAux[] materialsArray, TgcMeshData meshData) { //Crear Mesh Mesh mesh = new Mesh(meshData.coordinatesIndices.Length / 3, meshData.coordinatesIndices.Length, MeshFlags.Managed, DiffuseMapAndLightmapVertexElements, device); //Cargar vertexBuffer using (VertexBuffer vb = mesh.VertexBuffer) { GraphicsStream data = vb.Lock(0, 0, LockFlags.None); for (int j = 0; j < meshData.coordinatesIndices.Length; j++) { DiffuseMapAndLightmapVertex v = new DiffuseMapAndLightmapVertex(); //vertices int coordIdx = meshData.coordinatesIndices[j] * 3; v.Position = new Vector3( meshData.verticesCoordinates[coordIdx], meshData.verticesCoordinates[coordIdx + 1], meshData.verticesCoordinates[coordIdx + 2] ); //normals //puede haber una normal compartida para cada vertice del mesh if (meshData.verticesNormals.Length == meshData.verticesCoordinates.Length) { v.Normal = new Vector3( meshData.verticesNormals[coordIdx], meshData.verticesNormals[coordIdx + 1], meshData.verticesNormals[coordIdx + 2] ); } //o una normal propia por cada vertice de cada triangulo (version mejorada del exporter) else { int normalIdx = j * 3; v.Normal = new Vector3( meshData.verticesNormals[normalIdx], meshData.verticesNormals[normalIdx + 1], meshData.verticesNormals[normalIdx + 2] ); } //texture coordinates diffuseMap int texCoordIdx = meshData.texCoordinatesIndices[j] * 2; v.Tu0 = meshData.textureCoordinates[texCoordIdx]; v.Tv0 = meshData.textureCoordinates[texCoordIdx + 1]; //texture coordinates LightMap int texCoordIdxLM = meshData.texCoordinatesIndicesLightMap[j] * 2; v.Tu1 = meshData.textureCoordinatesLightMap[texCoordIdxLM]; v.Tv1 = meshData.textureCoordinatesLightMap[texCoordIdxLM + 1]; //color int colorIdx = meshData.colorIndices[j]; v.Color = meshData.verticesColors[colorIdx]; data.Write(v); } vb.Unlock(); } //Cargar IndexBuffer using (IndexBuffer ib = mesh.IndexBuffer) { short[] indices = new short[meshData.coordinatesIndices.Length]; for (int j = 0; j < indices.Length; j++) { indices[j] = (short)j; } ib.SetData(indices, 0, LockFlags.None); } //Configurar Material y Textura para un solo SubSet TgcSceneLoaderMaterialAux matAux = materialsArray[meshData.materialId]; Material[] meshMaterials; TgcTexture[] meshTextures; if (matAux.subMaterials == null) { meshMaterials = new Material[] { matAux.materialId }; meshTextures = new TgcTexture[] { matAux.texture }; } //Configurar Material y Textura para varios SubSet else { //Cargar attributeBuffer con los id de las texturas de cada triángulo int[] attributeBuffer = mesh.LockAttributeBufferArray(LockFlags.None); Array.Copy(meshData.materialsIds, attributeBuffer, attributeBuffer.Length); mesh.UnlockAttributeBuffer(attributeBuffer); //Cargar array de Materials y Texturas meshMaterials = new Material[matAux.subMaterials.Length]; meshTextures = new TgcTexture[matAux.subMaterials.Length]; for (int m = 0; m < matAux.subMaterials.Length; m++) { meshMaterials[m] = matAux.subMaterials[m].materialId; meshTextures[m] = matAux.subMaterials[m].texture; } } //Cargar lightMap TgcTexture lightMap = TgcTexture.createTexture(device, meshData.lightmap, mediaPath + sceneData.lightmapsDir + "\\" + meshData.lightmap); //Crear mesh de TGC TgcMesh tgcMesh = meshFactory.createNewMesh(mesh, meshData.name, TgcMesh.MeshRenderType.DIFFUSE_MAP_AND_LIGHTMAP); tgcMesh.Materials = meshMaterials; tgcMesh.DiffuseMaps = meshTextures; tgcMesh.LightMap = lightMap; return tgcMesh; }
/// <summary> /// Levanta la informacion del XML /// </summary> /// <param name="xmlString">contenido del XML</param> /// <returns></returns> public TgcSceneData parseSceneFromString(string xmlString) { XmlDocument dom = new XmlDocument(); dom.LoadXml(xmlString); XmlElement root = dom.DocumentElement; string sceneName = root.GetElementsByTagName("name")[0].InnerText; TgcSceneData tgcSceneData = new TgcSceneData(); tgcSceneData.name = sceneName; //Ver si tiene exportacion de texturas XmlNode texturesExportNode = root.GetElementsByTagName("texturesExport")[0]; bool texturesExportEnabled = bool.Parse(texturesExportNode.Attributes["enabled"].InnerText); if (texturesExportEnabled) { tgcSceneData.texturesDir = texturesExportNode.Attributes["dir"].InnerText; } //Ver si tiene LightMaps XmlNode lightmapsExportNode = root.GetElementsByTagName("lightmapExport")[0]; tgcSceneData.lightmapsEnabled = bool.Parse(lightmapsExportNode.Attributes["enabled"].InnerText); if (tgcSceneData.lightmapsEnabled) { tgcSceneData.lightmapsDir = lightmapsExportNode.Attributes["dir"].InnerText; } //sceneBoundingBox, si está XmlNodeList sceneBoundingBoxNodes = root.GetElementsByTagName("sceneBoundingBox"); if (sceneBoundingBoxNodes != null && sceneBoundingBoxNodes.Count == 1) { XmlNode sceneBoundingBoxNode = sceneBoundingBoxNodes[0]; tgcSceneData.pMin = TgcParserUtils.parseFloat3Array(sceneBoundingBoxNode.Attributes["min"].InnerText); tgcSceneData.pMax = TgcParserUtils.parseFloat3Array(sceneBoundingBoxNode.Attributes["max"].InnerText); } //Parsear Texturas XmlNodeList materialNodes = root.GetElementsByTagName("materials")[0].ChildNodes; tgcSceneData.materialsData = new TgcMaterialData[materialNodes.Count]; int i = 0; foreach (XmlElement matNode in materialNodes) { //determinar tipo de Material TgcMaterialData material = new TgcMaterialData(); material.type = matNode.Attributes["type"].InnerText; //Standard Material if (material.type.Equals(TgcMaterialData.StandardMaterial)) { parseStandardMaterial(material, matNode); } //Multi Material else if (material.type.Equals(TgcMaterialData.MultiMaterial)) { material.name = matNode.Attributes["name"].InnerText; XmlNodeList subMaterialsNodes = matNode.GetElementsByTagName("subM"); material.subMaterials = new TgcMaterialData[subMaterialsNodes.Count]; for (int j = 0; j < subMaterialsNodes.Count; j++) { TgcMaterialData subMaterial = new TgcMaterialData(); parseStandardMaterial(subMaterial, (XmlElement)subMaterialsNodes[j]); material.subMaterials[j] = subMaterial; } } tgcSceneData.materialsData[i++] = material; } //Parsear Meshes XmlNodeList meshesNodes = root.GetElementsByTagName("meshes")[0].ChildNodes; tgcSceneData.meshesData = new TgcMeshData[meshesNodes.Count]; i = 0; int count; foreach (XmlElement meshNode in meshesNodes) { TgcMeshData meshData = new TgcMeshData(); tgcSceneData.meshesData[i++] = meshData; //parser y convertir valores meshData.name = meshNode.Attributes["name"].InnerText; meshData.materialId = int.Parse(meshNode.Attributes["matId"].InnerText); meshData.color = TgcParserUtils.parseFloat3Array(meshNode.Attributes["color"].InnerText); meshData.lightmap = meshNode.Attributes["lightmap"].InnerText; //type XmlAttribute typeAttr = meshNode.Attributes["type"]; meshData.instanceType = TgcMeshData.ORIGINAL; if (typeAttr != null) { meshData.instanceType = typeAttr.InnerText; } //layer XmlAttribute layerAttr = meshNode.Attributes["layer"]; if (layerAttr != null) { meshData.layerName = layerAttr.InnerText; } //visibility float visibility = TgcParserUtils.parseFloat(meshNode.Attributes["visibility"].InnerText); meshData.alphaBlending = visibility != 1.0f ? true : false; //parsear boundingBox XmlNodeList boundingBoxNodes = meshNode.GetElementsByTagName("boundingBox"); if(boundingBoxNodes != null && boundingBoxNodes.Count == 1) { XmlNode boundingBoxNode = boundingBoxNodes[0]; meshData.pMin = TgcParserUtils.parseFloat3Array(boundingBoxNode.Attributes["min"].InnerText); meshData.pMax = TgcParserUtils.parseFloat3Array(boundingBoxNode.Attributes["max"].InnerText); } //parsear datos de mesh Original if (meshData.instanceType.Equals(TgcMeshData.ORIGINAL)) { //parsear coordinatesIdx XmlNode coordinatesIdxNode = meshNode.GetElementsByTagName("coordinatesIdx")[0]; count = int.Parse(coordinatesIdxNode.Attributes["count"].InnerText); meshData.coordinatesIndices = TgcParserUtils.parseIntStream(coordinatesIdxNode.InnerText, count); //parsear textCoordsIdx XmlNode textCoordsIdxNode = meshNode.GetElementsByTagName("textCoordsIdx")[0]; count = int.Parse(textCoordsIdxNode.Attributes["count"].InnerText); meshData.texCoordinatesIndices = TgcParserUtils.parseIntStream(textCoordsIdxNode.InnerText, count); //parsear colorsIdx XmlNode colorsIdxNode = meshNode.GetElementsByTagName("colorsIdx")[0]; count = int.Parse(colorsIdxNode.Attributes["count"].InnerText); meshData.colorIndices = TgcParserUtils.parseIntStream(colorsIdxNode.InnerText, count); //parsear matIds //TODO: ver bien como calcula esto el SCRIPT de Exportacion if (meshData.materialId != -1) { XmlNode matIdsNode = meshNode.GetElementsByTagName("matIds")[0]; count = int.Parse(matIdsNode.Attributes["count"].InnerText); meshData.materialsIds = TgcParserUtils.parseIntStream(matIdsNode.InnerText, count); } //parsear textCoordsLightMapIdx meshData.lightmapEnabled = tgcSceneData.lightmapsEnabled && (meshData.lightmap.Trim()).Length > 0; if (meshData.lightmapEnabled) { XmlNode textCoordsLightMapIdxNode = meshNode.GetElementsByTagName("textCoordsLightMapIdx")[0]; count = int.Parse(textCoordsLightMapIdxNode.Attributes["count"].InnerText); meshData.texCoordinatesIndicesLightMap = TgcParserUtils.parseIntStream(textCoordsLightMapIdxNode.InnerText, count); } //parsear vertices XmlNode verticesNode = meshNode.GetElementsByTagName("vertices")[0]; count = int.Parse(verticesNode.Attributes["count"].InnerText); meshData.verticesCoordinates = TgcParserUtils.parseFloatStream(verticesNode.InnerText, count); //parsear normals XmlNode normalsNode = meshNode.GetElementsByTagName("normals")[0]; count = int.Parse(normalsNode.Attributes["count"].InnerText); meshData.verticesNormals = TgcParserUtils.parseFloatStream(normalsNode.InnerText, count); //parsear tangents, si hay XmlNodeList tangentsNodes = meshNode.GetElementsByTagName("tangents"); if (tangentsNodes != null && tangentsNodes.Count == 1) { XmlNode tangentsNode = tangentsNodes[0]; count = int.Parse(tangentsNode.Attributes["count"].InnerText); meshData.verticesTangents = TgcParserUtils.parseFloatStream(tangentsNode.InnerText, count); } //parsear binormals, si hay XmlNodeList binormalsNodes = meshNode.GetElementsByTagName("binormals"); if (binormalsNodes != null && binormalsNodes.Count == 1) { XmlNode binormalsNode = binormalsNodes[0]; count = int.Parse(binormalsNode.Attributes["count"].InnerText); meshData.verticesBinormals = TgcParserUtils.parseFloatStream(binormalsNode.InnerText, count); } //parsear texCoords XmlNode texCoordsNode = meshNode.GetElementsByTagName("texCoords")[0]; count = int.Parse(texCoordsNode.Attributes["count"].InnerText); meshData.textureCoordinates = TgcParserUtils.parseFloatStream(texCoordsNode.InnerText, count); //parsear colors XmlNode colorsNode = meshNode.GetElementsByTagName("colors")[0]; count = int.Parse(colorsNode.Attributes["count"].InnerText); float[] colorsArray = TgcParserUtils.parseFloatStream(colorsNode.InnerText, count); //convertir a formato DirectX meshData.verticesColors = new int[count / 3]; for (int j = 0; j < meshData.verticesColors.Length; j++) { meshData.verticesColors[j] = Color.FromArgb( (int)colorsArray[j * 3], (int)colorsArray[j * 3 + 1], (int)colorsArray[j * 3 + 2]).ToArgb(); } //parsear texCoordsLightMap if (meshData.lightmapEnabled) { XmlNode texCoordsLightMapNode = meshNode.GetElementsByTagName("texCoordsLightMap")[0]; count = int.Parse(texCoordsLightMapNode.Attributes["count"].InnerText); meshData.textureCoordinatesLightMap = TgcParserUtils.parseFloatStream(texCoordsLightMapNode.InnerText, count); } } //parsear datos de mesh Instancia else if(meshData.instanceType.Equals(TgcMeshData.INSTANCE)) { //originalMesh XmlNode originalMeshNode = meshNode.GetElementsByTagName("originalMesh")[0]; meshData.originalMesh = TgcParserUtils.parseInt(originalMeshNode.InnerText); //transform XmlNode transformNode = meshNode.GetElementsByTagName("transform")[0]; meshData.position = TgcParserUtils.parseFloat3Array(transformNode.Attributes["pos"].InnerText); meshData.rotation = TgcParserUtils.parseFloat4Array(transformNode.Attributes["rotQuat"].InnerText); meshData.scale = TgcParserUtils.parseFloat3Array(transformNode.Attributes["scale"].InnerText); } //Parsear userProperties, si hay XmlNodeList userPropsNodes = meshNode.GetElementsByTagName("userProps"); if (userPropsNodes != null && userPropsNodes.Count == 1) { meshData.userProperties = new Dictionary<string, string>(); XmlElement userPropsNode = (XmlElement)userPropsNodes[0]; foreach (XmlElement prop in userPropsNode.ChildNodes) { meshData.userProperties.Add(prop.Name, prop.InnerText); } } } //Parsear PortalRendering, si hay información XmlNodeList portalRenderingNodes = root.GetElementsByTagName("portalRendering"); if (portalRenderingNodes != null && portalRenderingNodes.Count == 1) { XmlElement portalRenderingNode = (XmlElement)portalRenderingNodes[0]; TgcPortalRenderingParser portalParser = new TgcPortalRenderingParser(); tgcSceneData.portalData = portalParser.parseFromXmlNode(portalRenderingNode); } return tgcSceneData; }